CN113957893A - Hole-leading type static pile press - Google Patents
Hole-leading type static pile press Download PDFInfo
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- CN113957893A CN113957893A CN202111249491.XA CN202111249491A CN113957893A CN 113957893 A CN113957893 A CN 113957893A CN 202111249491 A CN202111249491 A CN 202111249491A CN 113957893 A CN113957893 A CN 113957893A
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- truss
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- upper truss
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- static pile
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a hole-leading static pile press, which comprises a hole-leading base, a pile clamping box and a hole-leading device, wherein the hole-leading device comprises: the hole guiding frame assembly comprises an upper truss, a power head and power equipment for driving the power head to move, wherein the upper truss is connected with the power equipment; the lower truss is arranged on the guide hole base and is rotationally connected with the upper truss; the power device is connected with the upper truss and/or the lower truss, and the power device can drive the upper truss to rotate relative to the lower truss through movement; and the group of limiting assemblies are respectively arranged on the upper truss and the lower truss and used for limiting the rotating range of the upper truss and the lower truss, and when the limiting assemblies are matched and clamped, the center of the power head coincides with the center of the pile clamping box. This application forms the restriction to upper truss rotational position through setting up the spacing subassembly of pivoted to the unit head of its connection can realize accurate location effect, can avoid cutting to pieces the rubbing influence to precast tubular pile inner wall, eliminates operation process's potential safety hazard, has promoted hole efficiency.
Description
Technical Field
The invention relates to the technical field of hydraulic equipment, in particular to a leading hole type static pile press.
Background
At present, various construction methods are developed according to the characteristics of geological conditions of the places, aiming at a static pressure pile construction method when a compact hard layer exists in a stratum, such as a pre-hole guiding method which utilizes a long spiral hole guiding method in advance and a hole guiding method firstly and then presses a pile, and after the long spiral hole guiding method is adopted in advance, the hole is easy to collapse and press partially when a subsequent static pressure pile machine is constructed in place. And the hole pre-guiding method is only suitable for the condition that the earth surface has a compact sand layer, some geological static pressure piles are difficult to pass through, and if the hole pre-guiding is carried out, hole collapse can occur as long as a drill is lifted, so that great construction difficulty is caused.
In addition, manufacturers also adopt a method of installing a mast and a spiral drill rod on a pile pressing machine, integrating the hole guiding function and the pile pressing function into a whole, synchronously performing hole guiding operation and pile pressing operation, and simultaneously performing blank pressing drilling, when pile splicing is needed, keeping a drill frame, the drill rod and the like away from the pile pressing position through a horizontal displacement device, and keeping the pile position away, so as to achieve the purpose of smoothly splicing the pile.
However, the horizontal displacement device is difficult to ensure the centering of the lead hole, the drill rod is easy to be eccentric and drill through the inner wall of the precast tubular pile in the long spiral lead hole process, and the gravity center of the support part of the horizontal displacement device is changed greatly, the moving inertia is also large, the movement is inevitably slow, the pile connecting efficiency is reduced, the operation time is too long, and the working efficiency is influenced.
In summary, how to solve the above problems of long operation time and low efficiency is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a leading hole type static pile press, which can quickly align piles and shorten the time for aligning piles, so as to improve the pile press operation of drilling verticality.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a lead hole formula static pile driver, includes and draws hole base, pile clamping box and draws the hole device, it includes to draw the hole device:
the hole guiding frame assembly comprises an upper truss, a power head and power equipment for driving the power head to move, wherein the upper truss is connected with the power equipment;
the lower truss is arranged on the guide hole base and is rotationally connected with the upper truss;
the power device is connected with the upper truss and/or the lower truss, and the power device can drive the lower truss to rotate relative to the upper truss through movement;
and the group of limiting assemblies are respectively arranged on the upper truss and the lower truss and used for limiting the rotating range of the upper truss and the lower truss, and when the limiting assemblies are matched and clamped, the center of the power head coincides with the center of the pile clamping box.
Preferably, the hole guiding device comprises a rotary support, the rotary support comprises a support inner ring and a support outer ring which are rotatably connected, the support inner ring is arranged on the upper truss, and the support outer ring is arranged on the lower truss;
the upper truss is provided with a first deflection fixed hinged support, the lower truss is provided with a second deflection fixed hinged support, the power device is a deflection oil cylinder, and two ends of the power device are respectively hinged with the first deflection fixed hinged support and the second deflection fixed hinged support.
Preferably, the limiting assembly comprises:
the limiting shaft assembly is arranged on the upper truss;
and the right limiting hinged support and the left limiting hinged support are arranged on the lower truss and are arranged at two ends of the rotation stroke of the limiting shaft assembly so as to limit the limiting shaft assembly.
Preferably, the inner sides of the right limit hinged support and the left limit hinged support are respectively provided with a cushion pad used for buffering the limit shaft assembly.
Preferably, when the limiting shaft assembly is in contact with the right limiting hinged support, the center of the power head is overlapped with the center of the pile clamping box.
Preferably, the rotation range of the upper truss is 0 to 90 degrees or 0 to 65 degrees;
or the rotation angle range corresponding to the rotation stroke of the limit shaft assembly formed by the right limit hinged support and the left limit hinged support is 40 degrees to 90 degrees.
Preferably, the power means comprises a rotary motor.
Preferably, the upper truss is provided with a counterweight for balancing the balance of the hole guiding frame assembly.
Preferably, the power head is fixedly connected with a drill rod, and the power equipment comprises:
the drill mast is provided with a guide rail surface, the power head is slidably arranged on the guide rail surface and is connected with the hoisting mechanism so as to drive the power head to move on the guide rail surface;
and the upper end of the propulsion oil cylinder is hinged with the hinged support at the lower part of the drill mast, the lower end of the propulsion oil cylinder is fixedly connected with the upper truss, and the extension and contraction of the propulsion oil cylinder are used for driving the drill mast to slide along the longitudinal slide rail surface of the upper truss.
Preferably, the hole guiding base is mounted on a platform of a static pile press, a pile pressing platform is arranged on the platform of the static pile press, and the distance for driving the drill mast to lift by the propulsion oil cylinder is greater than the height of the pile pressing platform.
Above-mentioned structure is at the gyration in-process, and the realization that the last truss that above-mentioned spacing subassembly made installing the unit head can be convenient, accurate is aimed at, namely makes the center of unit head and the center coincidence of pressing from both sides the stake case, owing to set up spacing subassembly, can target in place through the joint and realize quick alignment to under the prerequisite of guaranteeing to hole precision, shortened the hole time to the hole, promoted to hole efficiency.
The application provides a static pressure stake machine of approach formula forms the restriction to upper truss pivoted position through setting up the spacing subassembly of pivoted to accurate location effect can be realized to the unit head of its connection, can avoid cutting to pieces the rubbing influence to the precast tubular pile inner wall, eliminates operation process's potential safety hazard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a front view of a hole-guiding static pile driver according to the present invention;
fig. 2 is a front view of a hole guiding device of the hole guiding type static pile driver provided by the invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in an operational configuration;
fig. 5 is a sectional view in the direction B-B of fig. 2 in the revolving state.
In fig. 1-5, the reference numerals include:
the method comprises the following steps that 1, a hole guiding device, 2, a hole guiding base, 3, a static pile press, 4, a lower truss, 5, a rotary support, 6, a balance weight, 7, an upper truss, 8, a propulsion oil cylinder, 9, a drilling mast, 10, a drill rod, 11, a power head, 12, a first deflection oil cylinder shaft assembly, 13, a second deflection oil cylinder shaft assembly, 14, a deflection oil cylinder, 15, a limiting shaft assembly and 16 are prefabricated tubular piles;
101 is a hole guiding frame assembly;
301 is a pile pressing platform;
401 is a second deflection fixed hinged support, 402 is a right limit hinged support, and 403 is a left limit hinged support;
501 is a supporting outer ring, and 502 is a supporting inner ring;
701 is the first yaw fixed hinge mount.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a leading hole type static pile press, which can quickly align piles, shorten the time for leading the piles and aligning the piles, so as to improve the pile press operation of the drilling verticality.
Referring to fig. 1 to 5, fig. 1 is a front view of a hole-guiding static pile driver according to the present invention; fig. 2 is a front view of a hole guiding device of the hole guiding type static pile driver provided by the invention; FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2; FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in an operational configuration; fig. 5 is a sectional view in the direction B-B of fig. 2 in the revolving state.
The application provides a draw hole formula static pile driver, including drawing hole base 2, pile clamping box and drawing hole device 1, draw hole device 1 includes: the hole frame assembly 101, lower truss 4, power device and spacing subassembly.
The hole guiding frame assembly 101 comprises an upper truss 7, a power head 11 and power equipment for driving the power head 11 to move, wherein the upper truss 7 is connected with the power equipment.
The lower truss 4 is arranged on the guide hole base 2 and is rotatably connected with the upper truss 7.
The power device is connected with the upper truss 7 and/or the lower truss 4 and is used for driving the upper truss 7 to rotate relative to the lower truss 4;
and the group of limiting assemblies are respectively arranged on the upper truss 7 and the lower truss 4 and used for limiting the rotating range of the upper truss 7 and the lower truss 4, and when the limiting assemblies are matched and clamped, the center of the power head 11 coincides with the center of the pile clamping box.
It should be noted that the guiding hole base 2 can be usually disposed on the platform of the static pile driver 3, so that the above structure can include the static pile driver 3, the guiding hole base 2 is disposed on the platform, and the pile pressing platform 301 can be disposed on the platform, so as to provide a convenient press-fitting operation.
The lower truss 4 is arranged on the guide hole base 2, the upper truss 7 is arranged on the lower truss 4 in a rotating mode, specifically, the lower truss and the upper truss can be connected through a rotating piece, and relative rotation of the lower truss and the rotating piece is achieved through rotation of the rotating piece.
The upper truss 7 belongs to a part of the hole guiding frame assembly 101, the hole guiding frame assembly 101 further comprises a power head 11 and power equipment, and the power head 11 is used for clamping or fixing a drill rod in other modes. The power head 11 is removably attached to the upper truss 7 by a power device. The power equipment has the main function of driving the power head 11 to move up and down, and can also move in other directions.
Go up truss 7 and truss 4 down and be the support body structure, go up truss 7 and be located the upper portion of truss 4 down, the two is folded and is established and rotate between the two and connect, and control the relative rotation of the two through power device, form the restriction to the rotation stroke through spacing subassembly, at spacing subassembly cooperation joint so that truss 4 and last truss 7 rotate to the joint position time, the center of unit head 11 and the center coincidence of pressing from both sides the stake case down.
Above-mentioned structure is at the gyration in-process, and the realization that above-mentioned spacing subassembly made the last truss 7 of installing unit head 11 can be convenient, accurate is aimed at, namely makes the center of unit head 11 and the center coincidence of pressing from both sides the stake case, owing to set up spacing subassembly, can target in place through the joint and realize quick alignment to under the prerequisite of guaranteeing to hole precision, shortened the hole time of adjusting, promoted hole efficiency.
The application provides a static pressure stake machine of approach formula forms the restriction to upper truss 7 turned position through setting up the spacing subassembly of pivoted to accurate location effect can be realized to the unit head 11 that it connects, can avoid scraping to pieces the influence of rubbing to the precast tubular pile inner wall, eliminates operation process's potential safety hazard.
On the basis of the above embodiment, the hole guiding device 1 includes a rotary support 5, the rotary support 5 includes a support inner ring 502 and a support outer ring 501 which are rotatably connected, the support inner ring 502 is disposed on the upper truss 7, and the support outer ring 501 is disposed on the lower truss 4;
the upper truss 7 is provided with a first deflection fixed hinged support 701, the lower truss 4 is provided with a second deflection fixed hinged support 401, the power device is a deflection oil cylinder 14, and two ends of the power device are respectively hinged with the first deflection fixed hinged support 701 and the second deflection fixed hinged support 401.
Wherein, slewing bearing 5 includes two structures that can rotate relatively: the supporting inner ring 502 and the supporting outer ring 501 are connected in a sleeved or contact manner and can rotate relatively, so that the upper truss 7 and the lower truss 4 which are correspondingly connected with the supporting inner ring and the supporting outer ring can rotate relatively.
Optionally, the system further comprises a first deflection cylinder shaft assembly 12 and a second deflection cylinder shaft assembly 13, wherein one head of a piston rod of the deflection cylinder 14 is connected with the first deflection fixed hinge base 701 through the first deflection cylinder shaft assembly 12, and the other head is connected with the second deflection fixed hinge base 401 through the second deflection cylinder shaft assembly 13.
Referring to fig. 3, the inner support ring 502 and the outer support ring 501 are nested and can rotate relatively.
Alternatively, the support inner ring 502 and the support outer ring 501 may not be directly connected, for example, connected through an intermediate member, so as to define the rotation direction.
The shapes of the inner support ring 502 and the outer support ring 501 may be selected from various shapes, such as circular rings, or may be other shapes, and only the two are required to rotate relatively.
The two ends of the yaw cylinder 14 are respectively hinged with the first yaw fixing hinge base 701 and the second yaw fixing hinge base 401 so as to be capable of keeping connection with the upper truss 7 and the lower truss 4 during the telescopic movement of the yaw cylinder. It can be known that in the present embodiment, the inner support ring 502 and the outer support ring 501 are not connected to the yaw cylinder 14, and only serve as a guide structure for the rotation of the upper truss 7 and the lower truss 4.
Referring to fig. 3, specifically, the deflection cylinder 14 is disposed in a space below the slewing bearing 5, and the first deflection fixing hinge base 701 of the upper truss 7 extends downward out of the slewing bearing 5 and is connected to two ends of the deflection cylinder 14 with the second deflection fixing hinge base 401 of the lower truss 4, so that the overall space of the structure can be saved, and the volume can be effectively reduced.
Alternatively, both ends of the deflection cylinder 14 may be directly connected to the support inner ring 502 and the support outer ring 501, respectively.
In the embodiment, the slewing bearing 5 is used for guiding the rotation directions of the upper truss 7 and the lower truss 4, so that the rotation control of the upper truss and the lower truss is more stable, and meanwhile, the two ends of the deflection oil cylinder 14 are hinged to the corresponding trusses, so that the clamping is avoided.
On the basis of the above embodiment, the above-mentioned spacing assembly includes:
the limiting shaft assembly 15 is arranged on the upper truss 7;
the right limit hinge seat 402 and the left limit hinge seat 403 are disposed on the lower truss 4 and disposed at two ends of the rotation stroke of the limit shaft assembly 15 to limit the limit shaft assembly 15.
The limiting shaft assembly 15 is various in shape, can be a convex clamping piece, or can be a groove and the like, and is used for being in limiting clamping connection with the right limiting hinged support 402 and the left limiting hinged support 403 in different states.
It should be noted that one of the right limit hinge seat 402 and the left limit hinge seat 403 is used to be clamped with the limit shaft assembly 15, so that the center of the power head 11 coincides with the center of the pile clamping box, and the other is used to limit the rotation range of the upper truss 7.
In one particular embodiment, the center of the powerhead 11 coincides with the center of the jackbox when the check shaft assembly 15 is in contact with the right check hinge mount 402.
Specifically, according to the state that the deflection oil cylinder 14 retracts and has a stroke margin, the center of the power head 11 and the center of the pile clamping box are adjusted to be completely overlapped, the state is an initial state in later use, the limiting hinge seat (such as the right limiting hinge seat 402) can be accurately arranged, so that in the next rotation process, when the position is rotated, the limiting shaft assembly 15 is clamped with the right limiting hinge seat 402 to achieve the limiting purpose.
Optionally, the inner sides of the right limit hinge seat 402 and the left limit hinge seat 403 are both provided with a cushion pad for buffering the limit shaft assembly 15.
For the setting of another limit hinge seat (for example, the left limit hinge seat 403), the setting can be performed according to the actual rotation requirement, the arrangement can be performed according to the actual stroke of the deflection oil cylinder 14 and the required rotation angle of the hole guiding frame assembly 101, and in consideration of the construction efficiency, preferably, the angle which can be driven by the actual stroke of the deflection oil cylinder 14 can be designed to be slightly larger than the actual rotation angle of 65 degrees of the hole guiding frame assembly 101, and the left limit hinge seat 403 is arranged at the position of 65 degrees of deflection.
Thus, in a particular embodiment, the upper truss 7 is rotated in a range of 0 to 90 degrees or 0 to 65 degrees;
alternatively, the rotation angle range corresponding to the rotation stroke of the stopper shaft assembly 15 formed by the right stopper hinge seat 402 and the left stopper hinge seat 403 is 40 degrees to 90 degrees.
In the invention, the guide hole frame assembly 101 is driven to rotate in a single direction by extending out of a piston rod of the deflection oil cylinder 14 in a deflection pile splicing state, according to a preferred scheme, a left limiting hinge seat 403 is arranged at a position of 65-degree actual rotation of the guide hole frame assembly 101, and a limiting shaft component 15 is arranged on the upper truss 7, so when the limiting shaft component rotates to contact a rubber cushion pad of the left limiting hinge seat 403, the rotation limitation can be realized, and the effect of limiting and protecting the deflection oil cylinder 14 can be realized.
Optionally, the power device in any of the above embodiments may be a rotary motor, and an adaptive adjustment connection structure of the rotary motor is adopted.
In a specific embodiment, the upper truss 7 is provided with a counterweight 6 for balancing the balance of the lead frame assembly 101.
Referring to fig. 2, the counter weight 6 is disposed on the upper truss 7 to raise the balance state of the hole guiding frame assembly 101, so as to ensure that the overall center of gravity is located at or near the rotation support center, substantially eliminate the rotation inertia of the hole guiding frame assembly 101 and the counter weight 6 during pile-to-pile process, ensure the efficient and stable rotation of the hole guiding frame assembly 101, thereby improving the pile-to-pile efficiency, shortening the construction period, and improving the economic benefits.
On the basis of any one of the above embodiments, the power head 11 is fixedly connected with the drill rod 10, and the power device comprises:
the drill mast 9 is provided with a guide rail surface, the power head 11 is arranged on the guide rail surface in a sliding way, and the power head 11 is connected with the hoisting mechanism so as to drive the power head 11 to move on the guide rail surface;
the upper end of the propulsion oil cylinder 8 is hinged with a hinged support at the lower part of the drill mast 9, the lower end of the propulsion oil cylinder is fixedly connected with the upper truss 7, and the extension and contraction of the propulsion oil cylinder 8 are used for driving the drill mast 9 to slide along the longitudinal sliding rail surface of the upper truss 7.
It should be noted that the drill mast 9 is a vertical structure, and the guide surface thereof is a guide surface moving along the longitudinal direction, and the power head 11 is slidably disposed on the guide surface, and specifically, the position of the power head 11 can be controlled by the hoisting mechanism, the power head 11 is connected to the drill rod 10 by a clamping manner, and the drill rod 10 is an extending structure extending substantially vertically downward.
In order to improve the reliability and stability of the working state, optionally, the hole guiding base 2 is installed on a platform of the static pile press 3, the platform of the static pile press 3 is provided with a pile pressing platform 301, and the distance for driving the drill mast 9 to be lifted by the propulsion oil cylinder 8 is greater than the height of the pile pressing platform 301.
The drill mast 9 needs to be lifted upwards for a certain distance along the sliding rail surface of the upper truss 7 under the action of the propulsion oil cylinder 8 and then rotates, so that interference with the pile pressing platform 301 is avoided, the center of gravity of the hole leading frame assembly 101 can be guaranteed to always fall near the rotary support center under the balance of the balance weight 6, efficient and stable rotation of the hole leading frame assembly 101 is guaranteed, and pile splicing efficiency is improved.
The hole leading type static pile press comprises a static pile press 3, a hole leading base 2 and a hole leading device 1; a hole guiding base 2 is arranged on the static pile press 3, and a hole guiding device 1 is arranged on the hole guiding base 2.
The hole guiding device 1 comprises a lower truss 4, a rotary support 5, a counterweight 6, a first deflection oil cylinder shaft assembly 12, a second deflection oil cylinder shaft assembly 13, a deflection oil cylinder 14, a limiting shaft assembly 15 and a hole guiding frame assembly 101; the lower truss 4 is fixed on the guide hole base 2 through an assembling structure.
The hole guiding frame assembly 101 comprises an upper truss 7, a propulsion oil cylinder 8, a drilling mast 9, a drill rod 10 and a power head 11. The power head 11 is connected with the drill rod 10 through a clamping mechanism and plays a role in fixing, and the power head 11 can slide up and down on the guide rail surface of the drill mast 9 under the action of a hoisting mechanism, so that hole guiding and drill lifting are realized. The head of a piston rod of the propulsion oil cylinder 8 is hinged with a hinged support of the drill mast 9, the other end of the piston rod is fixedly connected with the upper truss 7 in an assembling way, and the drill mast 9 can slide up and down along the sliding rail surface of the upper truss 7 under the action of the propulsion oil cylinder 8.
In the use process of the pilot hole type static pile press, the pilot hole frame assembly 101 rotates to the pilot hole working state again after deflection, can retract through the deflection oil cylinder 14 and leave a stroke margin, because the limiting shaft assembly 15 is always connected to the upper truss 7, when the pilot hole frame assembly rotates to be in contact with the rubber cushion pad of the right limiting hinged support 402, the fast centering and limiting can be realized, the center of the power head 11 is ensured to be coincided with the center of the pile clamping box, the purposes of shortening the hole aligning time and improving the hole aligning efficiency are realized through the limiting structure, the pilot hole precision is also ensured, and potential safety hazards are eliminated.
The use process of the leading hole type static pile press is as follows:
firstly, the precast tubular pile 16 can be pressed into the ground through the pile pressing platform 301 on the static pile pressing machine 3, when the precast tubular pile cannot be pressed in continuously, the deflection oil cylinder 14 retracts and is in a state of leaving a stroke margin, and when the upper truss 7 rotates to be in contact with the rubber cushion pad of the right limit hinged support 402, the rapid centering and limiting can be realized, so that the center of the power head 11 (meanwhile, the center of the drill rod 10) is coincident with the center of the pile clamping box, and at the moment, the drill rod 10 can be driven by the driving of the power head 11 to perform pile pressing and hole leading operations in the inner cavity of the precast tubular pile 16.
Then, when a second precast tubular pile 16 needs to be connected, the drill mast 9 needs to be lifted upwards for a certain distance along the sliding rail surface of the upper truss 7 under the action of the thrust cylinder 8, when the pile pressing platform 301 is effectively avoided, the guide hole frame assembly 101 is driven to rotate in a single direction through the extension of the piston rod of the deflection cylinder 14, and as the limit shaft assembly 15 is positioned on the upper truss 7, when the limit shaft assembly rotates to be in contact with the rubber cushion pad of the left limit hinged support 403, the rotation limit can be realized, and the effect of limiting and protecting the deflection cylinder 14 can be achieved.
Then, the hole guiding frame assembly 101 has completely left out the central pile position, the precast tubular pile 16 can be smoothly connected to the original first pile by the crane on the static pile press 3, the hole guiding frame assembly 101 is driven by the deflection oil cylinder 14 to rotate to contact with the rubber cushion pad of the right limit hinge seat 402, the fast centering and limiting are performed, and the drill rod 10 is driven by the power head 11 to perform the second hole guiding operation while pressing the pile in the inner cavity of the precast tubular pile 16.
When a plurality of precast tubular piles 16 need to be connected when the pressure reaches the designated depth, the steps can be repeated, and the hole guiding frame assembly 101 can enable the piles to be aligned for a plurality of times until the connected precast tubular piles 16 are pressed to the designated depth.
In addition to the main structure and connection relationship of the pilot hole type static pile driver provided in the above embodiments, please refer to the prior art for the structure of other parts of the pilot hole type static pile driver, which is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The guide hole type static pile press provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a lead hole formula static pile driver which characterized in that, includes and draws hole base (2), pile clamping box and draw hole device (1), draw hole device (1) and include:
the hole guiding frame assembly (101) comprises an upper truss (7), a power head (11) and power equipment for driving the power head (11) to move, wherein the upper truss (7) is connected with the power equipment;
the lower truss (4) is arranged on the guide hole base (2) and is rotationally connected with the upper truss (7);
the power device is connected with the upper truss (7) and/or the lower truss (4), and the power device can drive the upper truss (7) to rotate relative to the lower truss (4) through movement;
a set of spacing subassembly, set up respectively in go up truss (7) with truss (4) down, be used for the restriction go up truss (7) with the rotation range of truss (4) down, work as when spacing subassembly cooperation joint, the center of unit head (11) with the center coincidence of pressing from both sides the stake case.
2. The hole-guiding static pile driver according to claim 1, wherein the hole-guiding device (1) comprises a rotary support (5), the rotary support (5) comprises the support inner ring (502) and the support outer ring (501) which are rotatably connected, the support inner ring (502) is arranged on the upper truss (7), and the support outer ring (501) is arranged on the lower truss (4);
the upper truss (7) is provided with a first deflection fixed hinged support (701), the lower truss (4) is provided with a second deflection fixed hinged support (401), the power device is a deflection oil cylinder (14), and two ends of the power device are respectively hinged with the first deflection fixed hinged support (701) and the second deflection fixed hinged support (401).
3. The pilot hole static pile driver according to claim 2, wherein the limiting assembly comprises:
a limit shaft assembly (15) arranged on the upper truss (7);
the right limiting hinge seat (402) and the left limiting hinge seat (403) are arranged on the lower truss (4) and are arranged at two ends of the rotation stroke of the limiting shaft assembly (15) so as to limit the limiting shaft assembly (15).
4. The pilot hole static pile driver according to claim 3, characterized in that the inner sides of the right limit hinge seat (402) and the left limit hinge seat (403) are provided with cushion pads for buffering the limit shaft assembly (15).
5. The pilot hole type static pile press according to claim 4, characterized in that when the limit shaft assembly (15) contacts with the right limit hinged support (402), the center of the power head (11) coincides with the center of the pile clamping box.
6. A lead hole static pile driver according to claim 3, characterised in that the upper truss (7) has a range of rotation of 0 to 90 degrees or 0 to 65 degrees;
or the rotation angle range corresponding to the rotation stroke of the limit shaft assembly (15) formed by the right limit hinge seat (402) and the left limit hinge seat (403) is 40-90 degrees.
7. A pilot hole static pile driver according to claim 1 wherein the power means comprises a rotary motor.
8. A pilot hole static pile press according to any one of claims 1 to 7, characterised in that the upper truss (7) is provided with a counterweight (6) for balancing the balance of the pilot hole frame assembly (101).
9. A pilot hole static pile driver according to any one of claims 1 to 7, characterised in that the power head (11) is fixedly connected with a drill rod (10), the power equipment comprising:
the drill mast (9) is provided with a guide rail surface, the power head (11) is arranged on the guide rail surface in a sliding way, and the power head (11) is connected with a hoisting mechanism so as to drive the power head (11) to move on the guide rail surface;
and the upper end of the propulsion oil cylinder (8) is hinged with a hinged support at the lower part of the drilling mast (9), the lower end of the propulsion oil cylinder is fixedly connected with the upper truss (7), and the extension and contraction of the propulsion oil cylinder (8) are used for driving the drilling mast (9) to slide along the longitudinal sliding rail surface of the upper truss (7).
10. The hole-guiding static pile driver according to claim 9, wherein the hole-guiding base (2) is mounted on a platform of the static pile driver (3), the platform of the static pile driver (3) is provided with a pile-pressing platform (301), and the distance of the drill mast (9) lifted by the propelling cylinder is greater than the height of the pile-pressing platform (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249491.XA CN113957893A (en) | 2021-10-26 | 2021-10-26 | Hole-leading type static pile press |
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| CN202111249491.XA CN113957893A (en) | 2021-10-26 | 2021-10-26 | Hole-leading type static pile press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118029893A (en) * | 2024-04-11 | 2024-05-14 | 山河智能装备股份有限公司 | Hole guiding pile pressing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118029893A (en) * | 2024-04-11 | 2024-05-14 | 山河智能装备股份有限公司 | Hole guiding pile pressing machine |
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